Towbar



FIG. 1 is a side view of a towbar showing my new design;

FIG. 2 is a close up view of a portion of the towbar of FIG. 1;

FIG. 3 is a perspective view of the towbar;

FIG. 4 is a close up view of a portion of the towbar of FIG. 3; and,

FIG. 5 is a front view of the towbar.

The broken lines in the figures are included for the purpose ofillustrating portions of the towbar and form no part of the claimeddesign.

CLAIM The ornamental design of a towbar, as shown and described.